n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 29 |
4 | 128 |
5 | 646 |
6 | 3659 |
7 | 22934 |
8 | 156964 |
9 | 1161703 |
10 | 9226528 |
11 | 78148154 |
12 | 702245554 |
13 | 6665759481 |
14 | 66584311674 |
15 | 697658373059 |
[2,8,29,128,646,3659,22934,156964,1161703,9226528, 78148154,702245554,6665759481,66584311674, 697658373059] |